Defeat a group of Spectre-level opponents on Normal, Hardcore, or Insanity.
Investigate a strange occurrence in the combat simulator.
Score 9999 points in the combat simulator on Normal, Hardcore, or Insanity.
Lift 100 enemies off the ground with powers.
Throw a party for your friends.
Win a prize at one of the arcade games.
Stop an out-of-control scheme before it's too late.
Infiltrate an enemy stronghold with your crew.
Go undercover to follow a lead.
Discover a plot against you.
Free Omega from Cerberus Occupation.
Find the Talon leader.
Hijack an Atlas mech.
Start a character in multiplayer or customize a character in single-player.
Attain the highest level of readiness in each theater of war.
Reach level 20 in multiplayer or level 60 in single-player.
Kill 100 enemies with melee attacks.
Kill 10 guardians with headshots from the front while their shields are raised.
Upgrade any weapon to level 10.
Promote a multiplayer character to the Galaxy at War or import an ME3 character.
Use clues to pinpoint the exact location of an objective.
Mission accomplished.
Complete Mass Effect 3 twice, or once with a Mass Effect 2 import.
Make the final assault.
Perform any combination of 50 biotic combos or tech bursts.
Kill 1,000 enemies.
Defeat an old adversary.
Send a warning across the galaxy.
Finish all multiplayer maps or all N7 missions in single-player.
Extract ancient technology.
Deliver most of the Galaxy at War assets to the final conflict.
Call down an orbital strike.
Complete three multiplayer matches or five N7 missions.
Disable a group of fighter squadrons.
Sabotage a dreadnought.
Uncover an ancient secret.
Reach level 15 in multiplayer or level 50 in single-player.
Rescue a civilian from Reaper forces.
Investigate a sinister conspiracy.
Kill a brute while it's charging you.
Discover an enemy's monstrous origin.
Establish or rekindle a romantic relationship.
Evacuate a scientific facility.
Win a political stand-off.
Explore a lost city.
Defeat a harvester.
Obtain two non-customizable suits of armor.
Dispatch 10 probes to retrieve people or resources in Reaper territory.
Complete one multiplayer match or two N7 missions.
Survive the swarm.
Destroy an Atlas dropped from orbit.
Kill 250 enemies.
Stop a Cerberus kidnapping.
Set 100 enemies on fire with powers.
Escape a Reaper in the galaxy map.
Modify a weapon.
Bring a veteran officer aboard.
Learn more about the Prothean Empire.
Find all required intel to help Eden Prime's colonists.
Visit a store in the single-player campaign.
Chase down an assassin.
Evolve any of your powers to rank 6.
Return to active duty.
Finish the game on Insanity without changing difficulty after leaving Earth.
Kill 5,000 enemies.
Overload the shields of 100 enemies.
Finish all multiplayer maps on Gold or all single-player missions on Insanity.
Complete all the Command Center side-missions on Omega.
